In theory yes. However when your shoulder tells you different than you have to decied which you believe. Don't forget different case designs can effect recoil velocity/acceleration to reach the recoil velocity. I have not done the recoil figures but 106 grains of AR2213sc/H4831 pushing a 410grain projectile in my Rigby kicks a lot sharper and harder than 96grains of AR2209/H4350 pushing the same projectile and both have the same MV. Yes 10 grains more powder but a slower powder so recoil velocity should be lower, maybe. So I tried 100 grains of AR2209 and 102 grains of AR2213sc. the 2213sc still had a noticeably sharper kick. The 100grains of 2209 would certainly have produced a higher MV than the 2213sc. Go figure. After reading this thread I have a want for a 404J even though I have a 416Rigby. Now I have an M17 action and a 458CZ550 (That wont be used as a 458WM) which action do I use. Or do I go have a cuppa tea, a lay down and let the urge go.